bigman40
Smash Master
Sweet! Thx man! I didn't include the jabs cause I figured that they were the fastest in the first place. Those few moves just concerned me at the time because I thought that those might be able to stop it. And the reason why I'm not including MK's aerials is because of the amount of time it takes for him to jump. You have to add in that time to know how long it's really gonna take (they won't have enough time cause when we use this, we'll be right in their face).Marth: up-B is invincible on frames 1-5 and hits on frame 5, side-B hits on frame 4
GW: up-B hits on frame 9, invincible on frames 9-13 (jab frame 4)
ROB: dsmash hits on frame 4 (dtilt and jab hit on frame 3)
MK: up-B hits on frame 8, invincible (when grounded) frames 5-8, dsmash frame 5, dtilt/ftilt/nair frame 3 (idk what you have planned, but uair does hit on frame 2)
Jigglypuff: down-B hits on frame 2, invincible frames 1-14
These were taken either from the respective character boards, http://www.smashboards.com/showthread.php?t=203935, or http://www.smashboards.com/showthread.php?t=202204
I couldn't find frame data for Snake's nades. Olimar has whistle super armor, but I couldn't find the frame data for that either. When you asked if MK had any faster moves, I wasn't sure if that also applied for the other characters, but I included dtilt/jab for ROB and jab for GW anyway (GW has other moves faster than up-B, but jab was the only one that's as fast as the other moves you asked for).
So from looking at this, Marth and Jiggs can definitely stop this (stupid invincibility >___>), but for the others, it'll be hard to tell since I need to know the frame advantage we would have after using it. But if you ever find Snake's nades, that'll be important cause if his nades comes out too quickly, then he can stop us also.
Edit: BTW! Can Yoshi jab lock (like Falco's Laser lock)?